In a reflector antenna[?], the relative reduction in the effective aperture of the antenna caused by the masking effect of other antenna parts, such as a feed horn or a secondary reflector, which parts obstruct the radiation path.
... c. 500 BC Astaadhyaayii[?] ("8 Chapter Grammar"). A form of Sanskrit called Epic Sanskrit is seen in the Mahaabhaarata and other epics. Vernacular Sanskrit may have ...